Arch Venture Fund XII LP

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Arch Venture Fund XII LP
CIK #0001906837
EDGAR Form CIK 2011 - 2026
3 [0001906837]
4 [0001906837]
D [0001906837]
SC 13D [0001906837]
SC 13G [0001906837]
Form 13D/13G Filer Form 13D/13G Subject Filed
Arch Venture Fund XII LP Seaport Therapeutics Inc [2026-05-06]
Arch Venture Fund XII LP Metsera Inc [2025-02-10]
Arch Venture Fund XII LP Rapport Therapeutics Inc [2024-11-14]
Arch Venture Fund XII LP Prime Medicine Inc [2024-02-22]
Arch Venture Fund XII LP Neumora Therapeutics Inc [2023-10-02]
Form 3/4/5 Subject 2011 - 2026
Arch Venture Fund XII LP
Arch Venture Partners XII LLC
Burow Kristina
Nelsen Robert
Seaport Therapeutics Inc
Gillis Steven
Crandell Keith
Arch Venture Partners XII LP
Arch Venture Partners XIII LLC
Arch Venture Partners XIII LP
Arch Venture Fund XIII LP
Metsera Inc
Bybee Clinton
Neumora Therapeutics Inc
Prime Medicine Inc
Rapport Therapeutics Inc
Arch Venture Partners X LLC
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Metsera Inc MTSR
Common Stock
2025-11-13 Disposed to issuer 18,503,128
Metsera Inc MTSR
Common Stock
2025-11-13 Disposed to issuer 8,313,680
Neumora Therapeutics Inc NMRA
Common Stock
2025-10-27 Buy 1,915,700 $2.61 4,999,977
Prime Medicine Inc PRME
Common Stock
2025-08-01 Buy 3,030,300 $3.30 9,999,990
Metsera Inc MTSR
Series B Convertible Preferred Stock · derivative
2025-02-03 Conversion 2,678,571
Metsera Inc MTSR
Series Seed Preferred Stock · derivative
2025-02-03 Conversion 19,933,333
Metsera Inc MTSR
Common Stock
2025-02-03 Conversion 16,006,949
Metsera Inc MTSR
Common Stock
2025-02-03 Buy 789,998 $18.00 14,219,964
Metsera Inc MTSR
Common Stock
2025-02-03 Buy 1,432,224 $18.00 25,780,032
Metsera Inc MTSR
Common Stock
2025-02-03 Conversion 7,523,682
Metsera Inc MTSR
Series B Convertible Preferred Stock · derivative
2025-02-03 Conversion 2,678,571
Metsera Inc MTSR
Series A Convertible Preferred Stock · derivative
2025-02-03 Conversion 15,000,000
Metsera Inc MTSR
Series A Convertible Preferred Stock · derivative
2025-02-03 Conversion 15,000,000
Rapport Therapeutics Inc RAPP
Series A Preferred Stock · derivative
2024-06-10 Conversion 20,000,000 $0.00
Rapport Therapeutics Inc RAPP
Series B Preferred Stock · derivative
2024-06-10 Conversion 11,924,138 $0.00
Rapport Therapeutics Inc RAPP
Common Stock
2024-06-10 Conversion 3,728,738 $0.00
Prime Medicine Inc PRME
Common Stock
2024-02-15 Buy 3,200,000 $6.25 20,000,000
Neumora Therapeutics Inc NMRA
Common Stock
2023-12-08 Other 1,176,593
Neumora Therapeutics Inc NMRA
Common Stock
2023-12-08 Other 703,061
Neumora Therapeutics Inc NMRA
Common Stock
2023-11-14 Buy 3,357 $11.98 40,217
showing 20 of 48 most recent transactions
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